/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Spring;

public delegate void StreamHelperCallback(out Stream stream);

/// <summary>
/// Helper class for template style Stream usage.
/// </summary>
/// <author>Rick Evans</author>
public class StreamHelperDecorator
{
    private StreamHelperCallback callback;

    public StreamHelperDecorator(StreamHelperCallback callback)
    {
        this.callback = callback;
    }

    public void Run()
    {
        Stream stream = null;
        try
        {
            this.callback(out stream);
        }
        finally
        {
            if (stream != null)
            {
                try
                {
                    stream.Close();
                }
                catch
                {
                }
            }
        }
    }
}
